Pentadiagonal

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    In which the only nonzero entries are on the main diagonal, and the first two diagonals above and below it not-comparable

Etymology

From penta- + diagonal.

Related phrases

main diagonal

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.